Pertsevite Mineral Data

General Pertsevite Information
Chemical Formula:	Mg2(BO3)F
Composition:	Molecular Weight = 130.82 gm
	Calcium 0.31 % Ca 0.43 % CaO
	Magnesium 35.11 % Mg 58.23 % MgO
	Manganese 0.42 % Mn 0.54 % MnO
	Iron 2.99 % Fe 3.84 % FeO
	Silicon 3.86 % Si 8.27 % SiO₂
	Boron 7.02 % B 22.62 % B₂O₃
	Hydrogen 0.19 % H 1.72 % H₂O
	Oxygen 42.68 % O
	Fluorine 7.41 % F 7.41 % F
	- % F -3.12 % -O=F₂
	______ ______
	100.00 % 99.94 % = TOTAL OXIDE
Empirical Formula:	Mg_1.89Fe²⁺_0.07Mn²⁺_0.01Ca_0.01B_0.85Si_0.18O_3.24F_0.51(OH)_0.25
Environment:	Contact-metasomatic kotoite marble. Isostructural with Mg2(BO3)F; structure determined.
IMA Status:	Approved IMA 2003 (Dana # Added)
Locality:	Near the mouth of Kebirin�ya Creek, a northern tributary of Dogdo River, in the basin of the River Yana, about 250 km east of Verkhoyansk, Sakha-Yakutia, Russia Link to MinDat.org Location Data.
Name Origin:	After Nikolai Nikolayewich Pertsev (b. 1930), IGEM, Moscow, in recognition of his work on boron minerals and deposits.
Synonym:	IMA2002-030